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From: Rich Felker <dalias@aerifal.cx>
To: musl@lists.openwall.com
Subject: Re: float scanner status, upcoming release
Date: Tue, 10 Apr 2012 09:02:00 -0400	[thread overview]
Message-ID: <20120410130200.GC7281@brightrain.aerifal.cx> (raw)
In-Reply-To: <20120410121515.GU5728@port70.net>

On Tue, Apr 10, 2012 at 02:15:15PM +0200, Szabolcs Nagy wrote:
> * Rich Felker <dalias@aerifal.cx> [2012-04-09 20:48:19 -0400]:
> > Revised version of the code, in preparation to integrate with musl.
> > Still needs hex float support, and I want to eliminate the fscanf
> > dependency. Comments welcome.
> > 
> 
> this one fails if the number starts with a .
> ../floatscan .3

This is a bug in the wrapper code before it gets to decfloat() and
it's easily fixed.

> large exponent is slow:
> ../floatscan 1e+1000000
> ../floatscan 1e-1000000

I added code that collapses large and tiny exponents to infinity and
zero, but the max LD exponent is still rather slow...

> subnormal tests still fail
> 
> here are some test cases where many digits are needed for correct rounding:

Indeed. Thanks for the tests. I'll see what I can make of it.

Rich


  reply	other threads:[~2012-04-10 13:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-09 19:17 Rich Felker
2012-04-09 19:21 ` Rich Felker
2012-04-10  0:09   ` Pascal Cuoq
2012-04-10  0:36     ` Rich Felker
2012-04-10  0:48 ` Rich Felker
2012-04-10 12:15   ` Szabolcs Nagy
2012-04-10 13:02     ` Rich Felker [this message]
2012-04-10 15:24 ` Rich Felker

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